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Affichage de 2201 à 2210 sur 5615

Article dans une revue

Razumikhin-type Theorems on Practical Stability of Dynamic Equations on Time Scales

Bacem Ben Nasser, Michael Defoort, Mohamed Djemai, Taous-Meriem Laleg-Kirati

In this work, we investigate some Razumikhin-type criteria for the uniform global practical asymptotic stability on arbitrary time domains, for time-varying dynamic equations. Using Lyapunov-type functions on time scales, we develop appropriate inequalities ensuring that trajectories decay to the…

IFAC-PapersOnLine, 2018, 51 (16), pp.121-126. ⟨10.1016/j.ifacol.2018.08.021⟩. ⟨hal-03671746⟩

Article dans une revue

Mesh Twisting Technique for Swirl Induced Laminar Flow Used to Determine a Desired Blade Shape

Asdis Helgadottir, Sylvain Lalot, François Beaubert, Halldor Pálsson

Swirling flow has been shown to increase heat transfer in heat exchangers. However, producing swirl while not presenting a severe pressure drop can be a challenge. In this paper, a desired shape of guidance blades for laminar swirl flow is determined by numerical simulation in OpenFOAM. Emphasis is…

Applied Sciences, 2018, 8 (10), pp.1865. ⟨10.3390/app8101865⟩. ⟨hal-03449889⟩

Article dans une revue

High performance LDPC codes for high spectral efficiency

Latifa Mostari, Abdelmalik Taleb-Ahmed, Abdennacer Bounoua

Achieving high spectral efficiency is the key requirement of future wireless systems and mobile communications because it provides us a high quality for high data over a limited bandwidth. In order to achieve high spectral efficiency, channel coding and modulation are the key part. Basically, high…

Internetworking Indonesia Journal, 2018, 10 (1), pp.9-15. ⟨hal-03676514⟩

Article dans une revue

Implementing advanced Takagi-Sugeno controllers: application to throttle control of a gasoline engine

Thomas Josso-Laurain, Jimmy Lauber, Reinaldo Martinez Palhares

This paper is dedicated to the implementation process of advanced Takagi-Sugeno controllers. The considered application is the control of the throttle of a gasoline engine running at idle speed. In order to design a model-based control, a model is first obtained and identified with an engine test…

IFAC-PapersOnLine, 2018, 51 (10), pp.145-150. ⟨10.1016/j.ifacol.2018.06.252⟩. ⟨hal-03675878⟩

Communication dans un congrès

Characterization of a visco-hyperelastic synthetic gel for ballistic impacts assessment

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Rémi Delille, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

Understanding the human body response during impact has become a primary concern, especially in the field of ballistic impacts. Among various materials employed as human body substitutes, synthetic gel named SEBS is used in the present study. Mechanical characterization from quasi-static to very…

Society for Experimental Mechanics (SEM'2017), Jun 2017, Indianapolis, United States. ⟨10.1007/978-3-319-62956-8_19⟩. ⟨hal-03436839⟩

Article dans une revue

An Incremental Physically-Based Model of P91 Steel Flow Behaviour for the Numerical Analysis of Hot-Working Processes

Alberto Murillo-Marrodán, Eli Saúl Puchi-Cabrera, Eduardo Garcia, Mirentxu Dubar, Fernando Cortes, Laurent Dubar

This paper is aimed at modelling the flow behaviour of P91 steel at high temperature and a wide range of strain rates for constant and also variable strain-rate deformation conditions, such as those in real hot-working processes. For this purpose, an incremental physically-based model is proposed…

Metals, 2018, 8 (4), pp.269. ⟨10.3390/met8040269⟩. ⟨hal-03450069⟩

Chapitre d'ouvrage

Experimental Investigations on Oscillatory Couette-Taylor Flow Wall Shear Stress Behaviour Using Electrochemical Technique: High Modulation Effect

Emma Berrich Betouche, Fethi Aloui, Jack Legrand

Unlabelled - Rice flowering time determines its geographical distribution and yield traits. As a short-day plant, rice can grow in the northern long-day conditions due to the functional mutations of many photosensitive genes. In this study, to identify novel genes or alleles that regulate flowering…

Springer. Green Energy and Technology book series, in Exergy for A Better Environment and Improved Sustainability 1: Fundamentals, pp.527-542, 2018, ⟨10.1007/978-3-319-62572-0_35⟩. ⟨hal-02547286⟩

Chapitre d'ouvrage

Radial Distribution of Mass Transfer and Wall Shear Instantaneous Rates in Couette-Taylor Flow

Emma Berrich Betouche, Fethi Aloui, Jack Legrand

Unlabelled - Cotton fibers are specialized single-cell trichomes derived from epidermal cells, similar to root hairs and trichomes in . While the MYB-bHLH-WD40 (MBW) complex has been shown to regulate initiation of both root hairs and trichomes in , the role of their homologous gene in cotton fiber…

Springer. Green Energy and Technology book series, in Exergy for A Better Environment and Improved Sustainability 1: Fundamentals, pp.583-599, 2018, ⟨10.1007/978-3-319-62572-0_38⟩. ⟨hal-02547338⟩

Chapitre d'ouvrage

Experimental Investigations of Taylor-Couette Flow Using PIV and Electrochemical Techniques

Wafik Abassi, Fethi Aloui, Sassi Ben Nasrallah, Jack Legrand

Unlabelled - Apyrase is a class of enzyme that catalyzes the hydrolysis of nucleoside triphosphates/diphosphates (NTP/NDP), which widely involved in regulation of plant growth and stress responses. However, apyrase family genes in maize have not been identified, and their characteristics and…

Springer. Exergy for A Better Environment and Improved Sustainability 1, pp.559-581, 2018, 978-3-319-62572-0. ⟨10.1007/978-3-319-62572-0_37⟩. ⟨hal-02547333⟩

Article dans une revue

Numerical Analysis of the Impact of Nanofluids and Vapor Grooves Design on the Performance of Capillary Evaporators

Riadh Boubaker, Souad Harmand, Vincent Platel

This paper discusses the impact of nanofluids and vapor grooves position on the performance of capillary evaporators. The phase change that occurs within the wick structure is simulated using a 2D transient mathematical model. The model combines Darcy’s law, Langmuir’s law, and energy equations to…

Transport in Porous Media, 2018, 122 (2), pp.401-419. ⟨10.1007/s11242-018-1015-4⟩. ⟨hal-02129465⟩